Servicing Your Float SL Factory Rear Shock: Tools and Tips

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Introduction

The Fox Float SL Factory [paid link] rear shock is a high-performance, lightweight shock designed for cross-country (XC) and trail bikes. Known for its advanced features like a lightweight design and adjustable dampers, it provides superior suspension performance and comfort. Proper maintenance and servicing of your Float SL Factory [paid link] rear shock are essential to keep it functioning optimally. This guide will walk you through the necessary tools, steps, and tips for servicing your Float SL Factory rear shock, ensuring peak [paid link] performance for your bike rides.

Tools Required

To service your Float SL Factory rear shock, you will need the following tools:

  • 5mm, 6mm, and 8mm Allen wrenches [paid link]
  • Torque wrench [paid link] (with appropriate range)
  • Shock pump (compatible with Fox shocks)
  • Clean, lint-free rags
  • Fox Float fluid (or appropriate shock oil)
  • Suspension grease (for bushings)
  • Needle-nose pliers
  • 10mm socket wrench
  • Small screwdriver (for setting adjustments)
  • Fork seal driver or shock seal driver
  • Oil drain pan (for old fluid)

Disassembly Process

1. Remove the Shock from the Frame

Before servicing the shock, remove it from your bike frame. Use the 5mm or 6mm Allen wrenches [paid link] to remove the bolts securing the shock to the frame and linkage. Be cautious not to damage any components, as you’ll need to reassemble them later.

2. Release Air Pressure

Once the shock is removed, use the shock pump to relieve any remaining air pressure in the shock. This is a crucial step to avoid any unexpected pressure release during servicing.

3. Clean the Shock

Using a clean, lint-free rag, wipe down the shock to remove any dirt or debris that may have accumulated. Keeping the shock clean is essential to prevent contaminants from entering the shock internals during the service process.

Oil and Seal Replacement

1. Remove the Air Sleeve

The Float SL Factory rear shock has an air sleeve that houses the air spring. Carefully remove the air sleeve from the shock using a 10mm socket wrench. Be sure to hold the shock securely while doing this to prevent damage.

2. Drain Old Fluid

Next, place the shock in an oil drain pan and remove the air sleeve cap. Allow any residual oil to drain out completely. This oil may have built up contaminants or particles that can affect shock performance, so a complete drain is necessary.

3. Replace Oil and Seals

After draining the fluid, apply the appropriate amount of new Fox Float fluid to the air chamber. Carefully inspect and replace the seals in the air sleeve, ensuring that the new seals are correctly installed. This prevents air leaks and maintains the integrity of the shock’s suspension performance. Ensure the seals are greased with suspension grease to reduce friction and improve smoothness.

4. Reassemble the Air Sleeve

Once the new fluid and seals are in place, carefully reassemble the air sleeve onto the shock. Ensure that the sleeve is tightly secured to avoid any air leaks or performance issues.

Shock Reinstallation

1. Attach the Shock Back to the Frame

Position the shock back into its mounting location on the frame. Use the appropriate Allen wrenches to reinstall the shock bolts. Make sure they are torqued to the manufacturer’s specifications. Proper torque is essential to ensure the shock is securely mounted and operates safely.

2. Reinflate the Air Pressure

Once the shock is securely attached, use a shock pump to inflate the shock to the recommended pressure for your weight and riding style. This is essential for the shock’s performance, ensuring that it operates within the designed air pressure range.

3. Check for Leaks and Movement

After the shock is installed and inflated, check for any signs of air leakage around the seals. If the shock operates smoothly without any signs of oil leakage or abnormal movement, it is ready for use.

Suspension Setup and Tuning

1. Adjust the Compression and Rebound Damping

The Float SL Factory rear shock features adjustable compression and rebound damping. Using the small screwdriver, adjust the compression and rebound settings to suit your riding style. The compression controls how much resistance the shock provides when it compresses, while the rebound controls how quickly the shock returns to its original position.

Fine-tuning these settings based on your preferences will improve overall ride quality and ensure maximum performance. For XC riders, you may prefer firmer compression for better pedaling efficiency, while trail riders might opt for a more plush setting.

2. Set the Sag

Sag is a critical factor in suspension performance. To set the sag, measure how much the shock compresses when you are sitting on the bike in your riding gear. Ideally, you want about 25-30% sag for cross-country riding. Adjust the air pressure in the shock accordingly to achieve the correct sag for optimal comfort and performance.

Troubleshooting Common Set-Up Issues

1. Shock Not Holding Air Pressure

If your Float SL Factory rear shock is not holding air pressure, it could indicate a problem with the seals. Inspect the seals around the air sleeve and check for any visible damage or wear. If necessary, replace the seals and ensure they are properly installed.

2. Poor Performance or Harsh Ride

If the shock feels harsh or is not absorbing impacts effectively, it could be due to incorrect air pressure or insufficient oil levels. Double-check the air pressure, as well as the oil level, and ensure they are within the manufacturer’s specifications.

3. Noisy Shock

A noisy shock can be a sign of worn seals or inadequate lubrication. Inspect the shock’s seals and replace them if necessary. Additionally, ensure that the suspension grease is applied to the bushings and seals to reduce friction and noise during operation.

Customization and Optimization

1. Customize Your Settings

The Float SL Factory rear shock allows for precise tuning, making it a versatile [paid link] option for a wide range of riders. Experiment with different compression and rebound settings to find the ideal balance between comfort and performance. The shock’s ability to fine-tune suspension makes it perfect for riders who want to tailor their bike’s ride to their exact specifications.

2. Optimize for Different Riding Conditions

For riders who switch between different types of terrain, adjusting the shock settings can help optimize performance. For example, you may want a firmer setting for smoother trails and a softer, more plush setting for rougher terrain. This adaptability allows the Float SL Factory to handle a variety of conditions with ease.

Compatibility with Other Drivetrain Components

The Float SL Factory rear shock is compatible with most modern mountain bikes that feature standard shock mounts. Its lightweight design and adjustability make it an excellent pairing with high-end drivetrains, including Shimano and SRAM systems. However, always ensure that the shock’s specifications match your bike’s geometry, as different frame designs may require specific shock lengths and mounting standards.

When considering upgrades or replacements, make sure the shock’s travel length, eye-to-eye measurement, and mounting hardware are compatible with your frame. This ensures a proper fit and seamless integration with your bike’s overall performance.

Conclusion

Regular maintenance and servicing of your Fox Float SL Factory rear shock are crucial for maintaining its optimal performance. By following the steps outlined in this guide, you can ensure that your shock remains in top condition, providing you with a smooth and comfortable ride every time. Whether you’re adjusting settings for a personalized feel or troubleshooting common issues, understanding the components and care procedures will extend the life of your shock and enhance your overall cycling experience.